ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accrued Expenses and Other Current Liabilities Disclosure [Abstract]
Accrued Professional Fees, Current	$ 1,025	$ 2,723
Operating Lease, Liability, Current	6,645	0
Accrued Royalties, Current	1,549	1,673
Product Warranty Accrual, Current	1,337	1,706
Other Accrued Liabilities, Current	26,203	31,445
Accrued expenses and other current liabilities	$ 36,759	$ 37,547